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Arup's innovative ventilation work on world's first intercontinental road tunnel recognised at New Civil Engineer's Tunnelling Festival Awards - Arup
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Engineers inspecting ventilation fans in High Speed 1 tunnel which provide fresh air and can pressurise tunnels in emergencies Stock Photo - Alamy
Behind the Scenes - Tunnel Ventilation Fan | #TracksWithUs What's the difference between a household fan and the Tunnel Ventilation Fan? Do you know how our Engineers keep cool when they are
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